BR9907222A - Apparatus and method for using a bubble as a virtual valve in the microinjector to eject fluid - Google Patents

Apparatus and method for using a bubble as a virtual valve in the microinjector to eject fluid

Info

Publication number
BR9907222A
BR9907222A BR9907222-0A BR9907222A BR9907222A BR 9907222 A BR9907222 A BR 9907222A BR 9907222 A BR9907222 A BR 9907222A BR 9907222 A BR9907222 A BR 9907222A
Authority
BR
Brazil
Prior art keywords
bubble
microinjector
chamber
fluid
distribution tube
Prior art date
Application number
BR9907222-0A
Other languages
Portuguese (pt)
Inventor
Chang-Jin Kim
Fan-Gang Tseng
Chih-Ming Ho
Original Assignee
Microinjetor Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microinjetor Llc filed Critical Microinjetor Llc
Publication of BR9907222A publication Critical patent/BR9907222A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/05—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers produced by the application of heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14088—Structure of heating means
    • B41J2/14112—Resistive element
    • B41J2/14137—Resistor surrounding the nozzle opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14032—Structure of the pressure chamber
    • B41J2/1404—Geometrical characteristics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14032—Structure of the pressure chamber
    • B41J2/14056—Plural heating elements per ink chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14072—Electrical connections, e.g. details on electrodes, connecting the chip to the outside...
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2002/1437—Back shooter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2002/14387—Front shooter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/05—Heads having a valve

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Nozzles (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

Patente de Invenção: <B>"APARELHO E MéTODO PARA UTILIZAR BOLHA COMO VáLVULA VIRTUAL NO MICROINJETOR PARA EJETAR FLUIDO"<D>. Um aparelho e método para formar uma bolha dentro de um microcanal de um microinjetor para funcionar como um mecanismo de válvula entre a câmara e o tubo de distribuição, que proporciona uma alta resistência ao líquido saindo da câmara através do tubo de distribuição durante a ejeção do fluido através de um orifício e que também proporciona uma baixa resistência ao reabastecimento de líquido para dentro da câmara após a ejeção do fluido e do desmoronamento da bolha. Isto efetivamente minimiza a linha cruzada entre as câmaras adjacentes e aumenta a freq³ência de injeção do microinjetor. A formação de uma segunda bolha dentro da câmara funde-se com uma primeira bolha formada entre a câmara e o tubo de distribuição para abruptamente terminar a ejeção do fluido, por meio disso eliminando as gotículas satélite.Invention Patent: <B> "APPARATUS AND METHOD FOR USING BUBBLE AS A VIRTUAL VALVE IN THE MICROINJECTOR TO EJECT FLUID" <D>. An apparatus and method for forming a bubble within a microchannel of a microinjector to function as a valve mechanism between the chamber and the distribution tube, which provides a high resistance to liquid exiting the chamber through the distribution tube during ejection of the fluid through an orifice and it also provides a low resistance to refilling liquid into the chamber after the fluid is ejected and the bubble collapses. This effectively minimizes the cross line between adjacent chambers and increases the injection frequency of the microinjector. The formation of a second bubble inside the chamber merges with a first bubble formed between the chamber and the distribution tube to abruptly end the ejection of the fluid, thereby eliminating the satellite droplets.

BR9907222-0A 1998-01-23 1999-01-22 Apparatus and method for using a bubble as a virtual valve in the microinjector to eject fluid BR9907222A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7329398P 1998-01-23 1998-01-23
US09/235,663 US6102530A (en) 1998-01-23 1999-01-22 Apparatus and method for using bubble as virtual valve in microinjector to eject fluid
PCT/US1999/001338 WO1999037486A1 (en) 1998-01-23 1999-01-22 Apparatus and method for using bubble as virtual valve in microinjector to eject fluid

Publications (1)

Publication Number Publication Date
BR9907222A true BR9907222A (en) 2000-10-24

Family

ID=26754328

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9907222-0A BR9907222A (en) 1998-01-23 1999-01-22 Apparatus and method for using a bubble as a virtual valve in the microinjector to eject fluid

Country Status (19)

Country Link
US (1) US6102530A (en)
EP (1) EP1053104B1 (en)
JP (2) JP2002500975A (en)
KR (1) KR100563360B1 (en)
CN (5) CN1274500C (en)
AT (1) ATE251037T1 (en)
AU (1) AU752431B2 (en)
BR (1) BR9907222A (en)
CA (1) CA2318983C (en)
DE (1) DE69911742T2 (en)
DK (1) DK1053104T3 (en)
ES (1) ES2209385T3 (en)
HK (1) HK1032564A1 (en)
HU (1) HUP0101628A3 (en)
IL (1) IL137459A (en)
PL (1) PL342061A1 (en)
PT (1) PT1053104E (en)
TR (1) TR200002162T2 (en)
WO (1) WO1999037486A1 (en)

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Also Published As

Publication number Publication date
TR200002162T2 (en) 2001-01-22
ATE251037T1 (en) 2003-10-15
CN1597326A (en) 2005-03-23
KR20010040355A (en) 2001-05-15
IL137459A (en) 2003-12-10
US6102530A (en) 2000-08-15
CN1274500C (en) 2006-09-13
CN1290211A (en) 2001-04-04
CN1550336A (en) 2004-12-01
EP1053104A4 (en) 2001-05-02
AU752431B2 (en) 2002-09-19
CN1299905C (en) 2007-02-14
CN1144680C (en) 2004-04-07
HK1032564A1 (en) 2001-07-27
EP1053104B1 (en) 2003-10-01
DK1053104T3 (en) 2004-02-02
CN1495023A (en) 2004-05-12
AU2240499A (en) 1999-08-09
KR100563360B1 (en) 2006-03-22
HUP0101628A2 (en) 2001-10-28
DE69911742D1 (en) 2003-11-06
HUP0101628A3 (en) 2002-07-29
CA2318983A1 (en) 1999-07-29
IL137459A0 (en) 2001-07-24
CN1597325A (en) 2005-03-23
JP2005231364A (en) 2005-09-02
EP1053104A1 (en) 2000-11-22
ES2209385T3 (en) 2004-06-16
WO1999037486A1 (en) 1999-07-29
JP2002500975A (en) 2002-01-15
CA2318983C (en) 2005-12-20
DE69911742T2 (en) 2004-08-05
PL342061A1 (en) 2001-05-21
CN1274499C (en) 2006-09-13
PT1053104E (en) 2004-02-27
CN1274501C (en) 2006-09-13

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